CN221073036U - High-strength prestress anchoring bolt - Google Patents

Abstract

The utility model discloses a high-strength prestress anchor bolt which comprises a bolt rod, wherein a locking nut is arranged at a threaded part of the bolt rod, a regular hexagon hollow shield is sleeved on the upper side of the locking nut, and a limiting shoulder II is arranged at the periphery of the inner bottom end of the shield. The beneficial effects are that: according to the utility model, on one hand, the shield is arranged at the lock nut, so that the high-strength prestress anchor bolt can reliably protect the end part of the bolt rod under the action of the shield, rust on the end part of the bolt rod is avoided, the high-strength prestress anchor bolt is convenient to disassemble in later maintenance, on the other hand, the high-strength prestress anchor bolt can realize mutual assembly among the bolt rods according to actual connection requirements when in use through the design of the first screw head and the connecting screw groove, the high-strength prestress anchor bolt meets the connection requirements of steel structural components with different thicknesses, and the use flexibility is good.

Description

High-strength prestress anchoring bolt

Technical Field

The utility model relates to the technical field of anchor bolts, in particular to a high-strength prestress anchor bolt.

Background

In order to achieve a reliable fixing of the two steel structural components during the construction of the building, it is necessary to connect the two steel structural components by means of high-strength prestressed anchor bolts.

The high-strength prestressed anchor bolt in the present building construction mainly comprises a bolt head, a bolt rod fixed on the bolt head and a lock nut arranged on the bolt rod, and the high-strength prestressed anchor bolt with the structure can realize connection between two steel structural components in the building construction process, but after being arranged, the high-strength prestressed anchor bolt with the structure is easy to detach when the later maintenance is carried out due to corrosion of the exposed part of the end of the bolt rod, and on the other hand, the high-strength prestressed anchor bolt with the structure is easy to be thicker due to the thicker two steel structural components to be connected, so that the high-strength prestressed anchor bolt with the structure cannot meet corresponding connection requirements, and has poorer use flexibility.

Disclosure of utility model

First, the technical problem to be solved

Aiming at the current state of the art, the utility model provides the high-strength prestress anchor bolt which can not only avoid rust at the end of the bolt rod, but also realize mutual splicing of the bolt rods in an assembling mode and has good use flexibility.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a high-strength prestress anchor bolt which comprises a bolt rod, wherein a locking nut is arranged at a threaded part of the bolt rod, a regular hexagon shield is sleeved on the upper side of the locking nut, a limiting shoulder II is arranged at the periphery of the inner bottom end of the shield, a limiting shoulder I is arranged at the outer top end of the locking nut, a screw head I is connected to the top end of the bolt rod, a bolt head is connected to the middle part of the bottom end of the bolt rod through the screw head II, and a connecting screw groove is formed in a part, connected with the screw head, of the bolt rod.

Further, a first gasket is sleeved on the bolt rod at the upper side of the bolt head, and a second gasket is sleeved on the bolt rod at the lower side of the lock nut.

Through adopting above-mentioned technical scheme, gasket one with gasket two can effectively promote the frictional force between this high strength prestressing force anchor bolt and the connecting element after the installation, avoid this high strength prestressing force anchor bolt to appear not hard up after the installation.

Further, the bolt rod penetrates through the lock nut.

Through adopting above-mentioned technical scheme, can realize under lock nut effect the bolt rod is convenient locking fixed after the installation.

Further, the shield is of a hollow structure, and the shield is in sliding connection with the lock nut.

Through adopting above-mentioned technical scheme, the guard shield can be right the tip of bolt pole is carried out effectual shielding protection, avoids the corrosion of tip when using of bolt pole.

Furthermore, the first size of the limiting shoulder is matched with the second size of the limiting shoulder, and the locking nut is of a regular hexagonal threaded sleeve structure.

By adopting the technical scheme, the first limit shoulder is matched with the second limit shoulder, so that the shield can be prevented from sliding away from the lock nut when in use.

Further, the first screw head is formed on the bolt rod, the second screw head is formed on the bolt head, and the bolt head is of a regular hexagon structure.

By adopting the technical scheme, the bolt head is convenient for the convenient holding and installation of the bolt rod.

Further, the first size of the screw head is the same as the second size of the screw head, and the size of the connecting screw groove is matched with the second size of the screw head.

Through adopting above-mentioned technical scheme, under the effect of first and the connection helicoidal groove of spiral shell for this high strength prestressing force anchor bolt can realize according to the actual connection needs each other assembling between the bolt shank when using, makes this high strength prestressing force anchor bolt satisfy the connection demand to between the steel structural component of different thickness, and the flexibility of use is good, simultaneously first spiral shell is rotated to with the bolt shank is rotated to the same.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

In order to solve the high-strength prestress anchoring bolt in the present construction and mainly comprise a bolt head, a bolt rod fixed on the bolt head and a locking nut arranged on the bolt rod, the high-strength prestress anchoring bolt of the structure can realize connection between two steel structure components in the construction process, but after the high-strength prestress anchoring bolt of the structure is arranged, on one hand, the bolt rod end part is easy to be corroded due to the exposed part of the bolt rod end part, so that the structure anchoring bolt is inconvenient to detach in the later maintenance, on the other hand, the high-strength prestress anchoring bolt of the structure is easy to be caused by thicker two steel structure components to be connected, so that the high-strength prestress anchoring bolt of the structure cannot meet the corresponding connection requirement, and the problem that the use flexibility of the high-strength prestress anchoring bolt of the structure is poor is solved.

Drawings

FIG. 1 is a front cross-sectional view of a high strength pre-stressed anchor bolt of the present utility model;

FIG. 2 is a schematic illustration of the construction of a high strength prestressed anchor bolt according to the present utility model.

The reference numerals are explained as follows:

1. A shield; 2. a lock nut; 3. a bolt rod; 4. a bolt head; 5. a first gasket; 6. a second gasket; 7. a first screw head; 8. a first limit shoulder; 9. a second limiting shoulder; 10. a second screw head; 11. and the connecting screw groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-2, a high-strength prestressed anchor bolt in this embodiment includes a bolt rod 3, lock nut 2 is installed at the screw thread portion of bolt rod 3, lock nut 2 upside cover is equipped with regular hexagon's guard shield 1, guard shield 1 can carry out effectual shielding protection to the tip of bolt rod 3, avoid the corrosion of bolt rod 3 tip when using, limit shoulder two 9 is installed to guard shield 1 inner bottom periphery, limit shoulder one 8 is installed on lock nut 2 outer top, bolt rod 3 top is connected with first screw head 7, bolt rod 3 bottom middle part is connected with bolt head 4 through first screw head two 10, connecting helicoid 11 has been seted up with first screw head 10 on the bolt rod 3, under the effect of helicoid 7 and connecting helicoid 11 for this high-strength prestressed anchor bolt can be according to the mutual needs realization between the bolt rod 3 when using, make this high-strength prestressed anchor bolt satisfy the connection demand between the steel structural component of different thickness, the flexibility of use is good, first screw head 7 is rotated to the same with bolt rod 3, can not loosen the bolt head 3 when the bolt rod 3 rotates to the same, the bolt head can not take place not loosen to the lock nut 2.

As shown in fig. 1-2, in this embodiment, a first gasket 5 is sleeved on the bolt rod 3 at the upper side of the bolt head 4, a second gasket 6 is sleeved on the bolt rod 3 at the lower side of the lock nut 2, the first gasket 5 and the second gasket 6 can effectively promote friction force between the high-strength prestressed anchor bolt and a connecting member after installation, looseness of the high-strength prestressed anchor bolt after installation is avoided, the bolt rod 3 penetrates through the lock nut 2, and convenient locking and fixing of the bolt rod 3 after installation can be realized under the action of the lock nut 2.

As shown in fig. 1-2, in this embodiment, the shield 1 is of a hollow structure, the shield 1 is slidably connected with the lock nut 2, the size of the first limit shoulder 8 is matched with the size of the second limit shoulder 9, the lock nut 2 is of a regular hexagonal threaded sleeve structure, the first screw head 7 is formed on the screw rod 3, the second screw head 10 is formed on the screw head 4, the screw head 4 is of a regular hexagonal structure, the screw head 4 facilitates convenient holding and installation of the screw rod 3, the size of the first screw head 7 is identical to the size of the second screw head 10, and the size of the connecting screw groove 11 is matched with the size of the second screw head 10.

The specific implementation process of this embodiment is as follows: when the high-strength pre-stressed anchor bolt is used, firstly, the bolt rod 3 passes through two steel structural components to be connected in the building construction process from bottom to top, then, the locking nut 2 is screwed, so that the high-strength pre-stressed anchor bolt can be used, wherein in the use process, under the action of the shield 1, the end part of the bolt rod 3 can be reliably protected under the action of the shield 1, the rust of the end part of the bolt rod 3 is avoided, the convenient disassembly of the high-strength pre-stressed anchor bolt in the later maintenance is facilitated, meanwhile, under the action of the first 7 screw head and the connecting screw groove 11, the mutual assembly between the bolt rods 3 can be realized according to the actual connection requirement when the high-strength pre-stressed anchor bolt is used, the connection requirement between steel structural components with different thicknesses is met, and the use flexibility is good.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a high strength prestressing force anchor bolt which characterized in that: including bolt shank (3), lock nut (2) are installed at the screw thread portion of bolt shank (3), lock nut (2) upside cover is equipped with regular hexagon's guard shield (1), limit shoulder two (9) are installed to guard shield (1) inner bottom periphery, limit shoulder one (8) are installed on lock nut (2) outer top, bolt shank (3) top is connected with first (7) of spiral shell, bolt shank (3) bottom middle part is connected with bolt head (4) through second (10) of spiral shell, on bolt shank (3) with connect helicoid groove (11) have been seted up in the position that second (10) of spiral shell links to each other.

2. A high strength pre-stressed anchor bolt as recited in claim 1, wherein: the bolt rod (3) is positioned on the upper side of the bolt head (4) and sleeved with the first gasket (5), and the bolt rod (3) is positioned on the lower side of the locking nut (2) and sleeved with the second gasket (6).

3. A high strength pre-stressed anchor bolt as recited in claim 1, wherein: the bolt rod (3) penetrates through the lock nut (2), and the bolt rod (3) penetrates through the lock nut (2).

4. A high strength pre-stressed anchor bolt as recited in claim 1, wherein: the shield (1) is of a hollow structure, and the shield (1) is in sliding connection with the locking nut (2).

5. A high strength pre-stressed anchor bolt as recited in claim 1, wherein: the size of the first limiting shoulder (8) is matched with that of the second limiting shoulder (9), and the locking nut (2) is of a regular hexagonal threaded sleeve-shaped structure.

6. A high strength pre-stressed anchor bolt as recited in claim 1, wherein: the first screw head (7) is formed on the bolt rod (3), the second screw head (10) is formed on the bolt head (4), and the bolt head (4) is of a regular hexagon structure.

7. A high strength pre-stressed anchor bolt as recited in claim 1, wherein: the size of the first screw head (7) is the same as that of the second screw head (10), and the size of the connecting screw groove (11) is matched with that of the second screw head (10).